Manufacturer: ChinaBrand: UniversalProduct Line: Cochlear ImplantModel Number: Invisible HeadsetAlphanumeric Model: MD538With Microphone: YesWith noise cancellation: YesIncludes charging case: YesHeadset Format: In-Ear In-EarMono: NoPlayer: YesWith LEDs: YesWireless: YesWith Bluetooth: YesBluetooth version: 5.3Kid Friendly: NoCase charging time: 24 hoursIpx5 Invisible and waterproof, designed for sleeping Invisible earplugs are designed according to the shape of the ear, with cochlear anti-fall design, comfortable to wear, clean and hygienic when not in the ear, no feeling when lying on the side, specially designed for sleeping, wont make your ears uncomfortable. Very lightweight and fit securely to the ear hooks, suitable for long time wearing.Simple Touch Operation This hidden work headset is very easy to use. With the built-in microphone, you can easily switch between pausing your music, answering an incoming call, rejecting an incoming call, or tracking your music with the touch of a finger without having to take out your mobile phone.Dual Noise Cancellation Technology Superior physical noise cancellation technology combines with acoustic noise cancellation technology to give you the sound sleep you deserve from your sleep headphones.Lightweight The lightest earbuds available, measuring under 1cm/0.4 inches and weighing just 0.08 ounces per sleep earbud. They are so light and natural to wear, you can barely feel them.Ultra-long battery life 1 hour of charging time, 24 hours of continuous playback with the charging case, and an ultra-long battery life of 480 hours with micro fast charging. Built-in microphone No need to take out your phone, just a touch of your finger to easily switch between pausing your music, answering calls, rejecting calls or tracking your music. Everything just got easier.Functional Features1. Invisible design, ergonomic and senseless to wear.2. Double noise reduction technology.3. Easy touch operation.4. 24 hours battery life and fast charging.5. Bluetooth 5.3 and fast connectivity, premium sound quality and safety assurance.Product SpecificationColour: Black / White / Skin toneBluetooth version: 5.3Transmission distance: Approx. 10MStandby time: 480 hoursCharging time: 1 hourPlayback time with charging case: 24 hoursSupport system: all Bluetooth-enabled devices and mobile phonesPackage Includes1* Mini wireless headset1 * USB cable1 * User manualCautions1. The colour of the item may differ slightly from the picture due to differences in lighting and screen settings.2. 2. Please allow for slight differences due to manual measurements.